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<head>
    <meta charset="UTF-8">
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script type="module">
        import {area,circumference} from './circle.js';
        console.log('圆面积:' + area(4));
        console.log('圆周长:' + circumference(14));
    
        import * as circle from './circle.js';
        
        console.log('圆面积:' + circle.area(4));
        console.log('圆周长:' + circle.circumference(14));

        import defaultName from './default.js';
    console.log(defaultName);

        import{foo,bar} from './module.js';
        foo();


        import * as rectplus from './rectPlus.js'
            console.log(rectplus.area(3,5));  //继承自父模块
            console.log(rectplus.pi);

            import perim from './rectPlus.js';  //rectPlus 模块默认方法
            console.log(perim(4,6));

    </script>
</body>
</html>